rag-gateway.git

			@@ -1,10 +1,13 @@
			import json
			import re
			import uuid

			from fastapi import WebSocket, WebSocketDisconnect, APIRouter, Depends
			import asyncio
			import websockets
			from sqlalchemy.orm import Session

			from Log import logger
			from app.api import get_current_user_websocket
			from app.config.config import settings
			from app.models.agent_model import AgentModel, AgentType
			@@ -12,6 +15,7 @@
			from app.models.user_model import UserModel
			from app.service.dialog import update_session_history
			from app.service.basic import BasicService
			from app.service.difyService import DifyService
			from app.service.ragflow import RagflowService
			from app.service.service_token import get_bisheng_token, get_ragflow_token
			from app.service.session import SessionService
			@@ -47,7 +51,6 @@
			try:
			async def forward_to_ragflow():
			while True:
			is_new = False
			message = await websocket.receive_json()
			print(f"Received from client {chat_id}: {message}")
			chat_history = message.get('chatHistory', [])
			@@ -55,7 +58,6 @@
			if len(chat_history) == 0:
			chat_history = await ragflow_service.get_session_history(token, chat_id)
			if len(chat_history) == 0:
			is_new = True
			chat_history = await ragflow_service.set_session(token, agent_id,
			message, chat_id, True)
			# print("chat_history------------------------", chat_history)
			@@ -101,8 +103,12 @@
			result = {"message": f"内部错误： {e2}", "type": "close"}
			await websocket.send_json(result)
			print(f"Error process message of ragflow: {e2}")
			dialog_chat_history = await ragflow_service.get_session_history(token, chat_id, 1)
			await update_session_history(db, dialog_chat_history, current_user.id, is_new)
			try:
			dialog_chat_history = await ragflow_service.get_session_history(token, chat_id, 1)
			await update_session_history(db, dialog_chat_history, current_user.id)
			except Exception as e:
			logger.error(e)
			logger.error("-----------------保存ragflow的历史会话异常-----------------")

			# 启动任务处理客户端消息
			tasks = [
			@@ -200,54 +206,337 @@
			pass
			elif agent_type == AgentType.BASIC:
			try:
			service = BasicService(base_url=settings.basic_base_url)
			while True:
			# 接收前端消息
			message = await websocket.receive_json()
			question = message.get("message")
			SessionService(db).create_session(
			session_id=chat_id,
			name=question,
			agent_id=agent_id,
			agent_type=AgentType.BASIC
			)
			try:
			SessionService(db).create_session(
			chat_id,
			question,
			agent_id,
			AgentType.BASIC,
			current_user.id
			)
			except Exception as e:
			logger.error(e)
			if not question:
			await websocket.send_json({"message": "Invalid request", "type": "error"})
			continue
			logger.error(agent.type)
			if agent.type == "questionTalk":

			service = BasicService(base_url=settings.basic_base_url)
			async for result in service.excel_talk(question, chat_id):
			try:
			if result[:5] == "data:":
			# 如果是，则截取掉前5个字符，并去除首尾空白符
			text = result[5:].strip()
			else:
			# 否则，保持原样
			text = result
			data = await service.questions_talk(question, chat_id)
			output = data.get("output", "")
			file_name = data.get("filename", "")

			excel_url = None
			if file_name:
			excel_url = f"/api/files/download/?agent_id=basic_question_talk&file_id={file_name}&file_type=word"
			result = {"message": output, "type": "message", "file_url": excel_url, "file_name": file_name}
			try:
			data = json.loads(text)
			output = data.get("output", "")
			excel_name = data.get("excel_name", "")
			image_name = data.get("image_name", "")
			excel_url = None
			image_url = None
			if excel_name:
			excel_url = f"/api/files/download/?agent_id=basic_excel_talk&file_id={excel_name}&file_type=excel"
			if image_name:
			image_url = f"/api/files/download/?agent_id=basic_excel_talk&file_id={image_name}&file_type=image"
			result = {"message": output, "type": "message", "excel_url": excel_url, "image_url": image_url}
			await websocket.send_json(result \| data)
			except json.JSONDecodeError as e:
			print(f"Error decoding JSON: {e}")
			print(f"Response text: {text}")
			except Exception as e2:
			result = {"message": f"内部错误： {e2}", "type": "close"}
			SessionService(db).update_session(chat_id,
			message={"role": "assistant", "content": result})
			except Exception as e:
			logger.error(e)
			logger.error("-----------------返回数据--------------------")
			await websocket.send_json(result)
			print(f"Error process message of basic agent: {e2}")
			except Exception as e2:

			result = {"message": f"内部错误： {e2}", "type": "close"}
			logger.error(str(e2))
			logger.error(f"Error process message of basic chuti agent: {e2}")
			await websocket.send_json(result)

			else:
			message_data = {}
			logger.error("---------------------excel_talk-----------------------------")
			excel_url = ""
			image_url = ""
			image_name = ""
			excel_name = ""
			async for data in service.excel_talk(question, chat_id):
			# logger.error(data)
			output = data.get("output", "")
			e_name = data.get("excel_name", "")
			i_name = data.get("image_name", "")

			def build_file_url(name, file_type):
			if not name:
			return None
			return (f"/api/files/download/?agent_id={agent_id}&file_id={name}"
			f"&file_type={file_type}")

			if e_name:
			excel_url = build_file_url(e_name, 'excel')
			excel_name = e_name
			if i_name:
			image_url = build_file_url(i_name, 'image')
			image_name = i_name
			if data["type"] == "message":
			message_data = {
			"content": output,
			"excel_url": excel_url,
			"image_url": image_url,
			"image_name": image_name,
			"excel_name": excel_name,
			"sql": data.get("sql", ""),
			"code": data.get("code", ""),
			"e": data.get("e", ""),
			"role": "assistant"}

			# 发送结果给客户端
			# data["type"] = "message"
			data["message"] = output
			data["excel_url"] = excel_url
			data["image_url"] = image_url
			await websocket.send_json(data)
			if message_data:
			try:
			SessionService(db).update_session(chat_id, message=message_data)
			except Exception as e:
			logger.error(f"Unexpected error when update_session: {e}")
			except Exception as e:
			await websocket.send_json({"message": str(e), "type": "error"})
			logger.error(e)
			await websocket.send_json({"message": "出现错误！", "type": "error"})
			finally:
			await websocket.close()
			print(f"Client {agent_id} disconnected")
			if agent_type == AgentType.DIFY:
			dify_service = DifyService(settings.dify_base_url)
			# token = get_dify_token(db, current_user.id)
			try:
			async def forward_to_dify():
			if agent.type == "imageTalk":
			token = settings.dify_api_token
			while True:
			image_list = []
			is_image = False
			conversation_id = ""
			receive_message = await websocket.receive_json()
			print(f"Received from client {chat_id}: {receive_message}")
			upload_file_id = receive_message.get('upload_file_id', "")
			question = receive_message.get('message', "")
			if not question and not image_url:
			await websocket.send_json({"message": "Invalid request", "type": "error"})
			continue
			try:
			session = SessionService(db).create_session(
			chat_id,
			question,
			agent_id,
			AgentType.DIFY,
			current_user.id
			)
			conversation_id = session.conversation_id
			except Exception as e:
			logger.error(e)
			# complete_response = ""
			answer_str = ""
			async for rag_response in dify_service.chat(token, current_user.id, question, upload_file_id,
			conversation_id):
			try:
			if rag_response[:5] == "data:":
			# 如果是，则截取掉前5个字符，并去除首尾空白符
			complete_response = rag_response[5:].strip()
			else:
			# 否则，保持原样
			complete_response = rag_response
			try:
			data = json.loads(complete_response)
			if data.get("event") == "agent_message": # "event": "message_end"
			if "answer" not in data or not data["answer"]: # 信息过滤
			logger.error("非法数据--------------------")
			# logger.error(data)

			continue
			else: # 正常输出
			answer = data.get("answer", "")
			if isinstance(answer, str):
			if "![](https://res.stepfun.com/" in answer and image_list:
			is_image = True
			pattern = r'!\[\] *\(https://res\.stepfun\.com/image_gen/[^)]+\)'
			url_image = image_list.pop()
			new_answer = re.sub(pattern, url_image, answer)
			answer_str += new_answer
			else:
			answer_str += answer

			elif isinstance(answer, dict):
			logger.error("未知数据体：0---------------------------------")
			logger.error(answer)
			answer_str += answer.get("action_input", "")

			result = {"message": answer_str, "type": "message"}
			elif data.get("event") == "message_end":
			images_url = []
			if image_list and not is_image:
			answer_str += image_list[-1]
			result = {"message": answer_str,
			"type": "close"} # , "message_files": images_url
			try:
			SessionService(db).update_session(chat_id,
			message={"role": "assistant",
			"content": {"answer": answer_str,
			"images": images_url}},
			conversation_id=data.get(
			"conversation_id"))
			except Exception as e:
			logger.error("保存dify的会话异常！")
			logger.error(e)
			elif data.get("event") == "message_file":
			await dify_service.save_images(data.get("url"), data.get("id") + ".png")
			image_list.append(f"![](/api/files/image/{data.get('id')})")
			# result = {"message": answer_str, "type": "message"}
			continue
			else:
			continue
			await websocket.send_json(result)
			complete_response = ""
			except json.JSONDecodeError as e:
			print(f"Error decoding JSON: {e}")
			# print(f"Response text: {text}")
			except Exception as e2:
			result = {"message": f"内部错误： {e2}", "type": "close"}
			await websocket.send_json(result)
			print(f"Error process message of ragflow: {e2}")
			elif agent.type == "reportWorkflow":
			print(2323333232)
			token = settings.dify_workflow_clean
			while True:
			receive_message = await websocket.receive_json()
			print(f"Received from client {chat_id}: {receive_message}")
			upload_files = receive_message.get('upload_files', [])
			title = receive_message.get('title', "")
			workflow_type = receive_message.get('workflow', 1)
			if not upload_files:
			await websocket.send_json({"message": "Invalid request", "type": "error"})
			continue
			try:
			session = SessionService(db).create_session(
			chat_id,
			title,
			agent_id,
			AgentType.DIFY,
			current_user.id
			)
			conversation_id = session.conversation_id
			except Exception as e:
			logger.error(e)
			inputs = {
			"input_files": []
			}
			for file in upload_files:
			inputs["input_files"].append({
			"type": "document",
			"transfer_method": "local_file",
			"url": "",
			"upload_file_id": file
			})
			if workflow_type == 2:
			inputs["Completion_of_main_indicators"] = title
			token = settings.dify_workflow_report
			complete_response = ""
			async for rag_response in dify_service.workflow(token, current_user.id, inputs):
			print(rag_response)
			try:
			if rag_response[:5] == "data:":
			# 如果是，则截取掉前5个字符，并去除首尾空白符
			complete_response = rag_response[5:].strip()
			elif "event: ping" in rag_response:
			continue
			else:
			# 否则，保持原样
			complete_response += rag_response
			try:
			data = json.loads(complete_response)
			complete_response = ""
			if data.get("event") == "node_started" or data.get("event") == "node_finished": # "event": "message_end"
			if "data" not in data or not data["data"]: # 信息过滤
			logger.error("非法数据--------------------")
			logger.error(data)
			continue
			else: # 正常输出
			answer = data.get("data", "")
			if isinstance(answer, str):
			logger.error("----------------未知数据--------------------")
			logger.error(data)
			continue
			elif isinstance(answer, dict):

			message = answer.get("title", "")

			result = {"message": message, "type": "system"}
			elif data.get("event") == "workflow_finished":
			answer = data.get("data", "")
			if isinstance(answer, str):
			logger.error("----------------未知数据--------------------")
			logger.error(data)
			result = {"message": "", "type": "close", "download_url": ""}
			elif isinstance(answer, dict):
			download_url = ""
			outputs = answer.get("outputs", {})
			if outputs:
			message = outputs.get("output", "")
			download_url = outputs.get("download_url", "")
			else:
			message = answer.get("error", "")

			result = {"message": message, "type": "close", "download_url": download_url}
			try:
			SessionService(db).update_session(chat_id,
			message={"role": "assistant",
			"content": {
			"answer": message,
			"download_url": download_url}},
			conversation_id=data.get(
			"conversation_id"))
			except Exception as e:
			logger.error("保存dify的会话异常！")
			logger.error(e)
			await websocket.send_json(result)
			result = {"message": "", "type": "close", "download_url": ""}


			else:
			continue
			try:
			await websocket.send_json(result)
			except Exception as e:
			logger.error(e)
			logger.error("返回客户端消息异常!")
			complete_response = ""
			except json.JSONDecodeError as e:
			print(f"Error decoding JSON: {e}")
			# print(f"Response text: {text}")
			except Exception as e2:
			result = {"message": f"内部错误： {e2}", "type": "close"}
			await websocket.send_json(result)
			print(f"Error process message of ragflow: {e2}")

			# 启动任务处理客户端消息
			tasks = [
			asyncio.create_task(forward_to_dify())
			]
			await asyncio.wait(tasks, return_when=asyncio.FIRST_COMPLETED)
			except WebSocketDisconnect as e1:
			print(f"Client {chat_id} disconnected: {e1}")
			await websocket.close()
			except Exception as e:
			print(f"Exception occurred: {e}")

			finally:
			print("Cleaning up resources of ragflow")
			# 取消所有任务
			for task in tasks:
			if not task.done():
			task.cancel()
			try:
			await task
			except asyncio.CancelledError:
			pass
			else:
			ret = {"message": "Agent not found", "type": "close"}
			await websocket.send_json(ret)